Features 1、Applicable Models: The 3.50/4.00‑6 inch inner tube is suitable for hand trucks, lawn mowers, yard trail cars and wheelbarrows. 2、Rubber Material: Made of high quality rubber material with stable internal structure and strong flexibility, the inner tube can fully meet the international standard airpressure. 3、Pneumatic Inner Tube: The pneumatic inner tube can absorb the vibration of bumpy roads to ensure comfortable and safe driving. 4、Straight Valve: The 3.50/4.00‑6 inner tube comes with straight valve, which is very convenient to inflate. 5、Perfect Replacement: With fine workmanship, excellent performance and strong practicability, it can directly replace the old or damaged inner tube. Item Type: 3.50/4.00‑6 Inner Tube Material: Rubber Product Color: As Pictures Shown Tire Specification: 3.50/4.00-6 Product Weight: Approx. 226g / 8.0oz Tire Valve: Straight Valve Applicable Models: Suitable for Hand Trucks, Lawn Mowers, Yard Trail Cars and Wheelbarrows Package List 1 x 3.50/4.00‑6 Inner Tube